...the commitment to absolute rather than intensity-based targets is significant, and so’s the commitment to link up with other carbon trading systems, which should lead to money finding its way to the most economically efficient emissions cuts, over time.
Reevely has this esp. nice bit on Harper's rather desperate flailing over the issue:
Prime Minister Stephen Harper criticized the plan for not establishing a regulatory mechanism and suggested the new Montreal Climate Exchange will have to fill that void.
[...]
They’re going to leave the details to a privately operated market and that’s a problem? Remind me — who are the conservatives, again?